/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.seata.core.auth;

import org.apache.seata.common.loader.LoadLevel;
import org.apache.seata.common.util.StringUtils;


@LoadLevel(name = "defaultAuthSigner", order = 100)
public class DefaultAuthSigner implements AuthSigner {
    
    @Override
    public String sign(String data, String key) {
        if (StringUtils.isNotBlank(key) && StringUtils.isNotBlank(data)) {
            return RamSignAdapter.getRamSign(data, key);
        }
        return data;
    }
    
    @Override
    public String getSignVersion() {
        return "V4";
    }
    
}
